Home / 10,923.70-16,389.69-6,544.30

Finding the Fourth Proportional to 10,923.70, 16,389.69 and 6,544.30

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Solution

The fourth proportional to 10,923.70, 16,389.69 and 6,544.30 is: 9,818.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,923.70 : 16,389.69 = 6,544.30 : x
  2. Step 2: Convert to fraction form
    10,923.70/16,389.69 = 6,544.30/x
  3. Step 3: Cross multiply
    10,923.70x = 16,389.69 × 6,544.30
  4. Step 4: Simplify right side
    10,923.70x = 107,259,048.27
  5. Step 5: Solve for x
    x = 107,259,048.27/10,923.70
  6. Step 6: Final answer
    x = 9,818.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.